package servlets;

import beans.User_data;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.HashMap;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import org.json.simple.JSONArray;
import org.json.simple.JSONObject;

/**
 *
 * @author Aspire
 */
@WebServlet(name = "MatchAction", urlPatterns = {"/MatchAction.do"})
public class MatchAction extends HttpServlet {

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        try (PrintWriter out = response.getWriter()) {
            /* TODO output your page here. You may use following sample code. */
            String x1 = request.getParameter("x1");
            int limit_1 = Integer.parseInt(x1);
            String x2 = request.getParameter("x2");
            int limit_2 = Integer.parseInt(x2);
            String gender = request.getParameter("gender");
            HttpSession session = request.getSession();
            User_data u = (User_data) session.getAttribute("user");
            System.out.println("x1 x2 gender " + x1 + " " + x2 + " " + gender);
            System.out.println("User " + u.getId() + u.getName());
            ArrayList<User_data> result = u.matchAction(limit_1, limit_2, gender);
            System.out.println("Top 3 Matches:");
            
            JSONArray j_arr = new JSONArray();
            for (User_data user : result) {
                JSONObject j = new JSONObject();
                j.put("name", user.getName());
                j.put("match", user.getMatch());
                j.put("id", user.getId());
                
                j_arr.add(j);
                }                            

            System.out.print(j_arr);
            out.print(j_arr);
        } 
        catch (Exception e) {
            e.printStackTrace();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
